柱流速 的英文怎麼說

中文拼音 [zhùliú]
柱流速 英文
column flow rate
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The rayleigh - taylor ( rt ) instability in cylindrical and spherical geometries was analized in this thesis, based upon velocity potential theory

    本論文利用度勢理論對和球幾何中不可壓縮體的rayleigh - taylor ( rt )不穩定性進行了研究。
  2. Intelligent multi - channel data - logging display controller adopt advanced microprocessor for smart control, it is suitable for display and control temperature, humidity, pressure, liquid level, instantaneous flow, speed and so on in many physical quantity inspect signal, and can data - logging multi - channel measure signal. it also can carry on high - accuracy linear correction to various non - linear input signals

    雙迴路數字光顯示控制儀採用先進的微處理器進行智能控制,適用於溫度濕度壓力液位瞬時度等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高精度的線性校正。
  3. As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy

    本文先以代表定常不可壓位勢繞的laplace方程為例,研究了laplace方程的無網格離散形式,並運用gmres高效演算法對其快求解,數值模擬了典型的圓;並通過不同點雲尺度的數值模擬,顯示出點雲尺度對計算精度的影響。
  4. Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed

    文摘:採用熱線風儀和系綜平均法測定和研究了封閉圓形粉塵爆炸罐內揚塵湍的瞬態特性,並與球形爆炸容器內已測定的揚塵湍瞬態特性進行了比較,對系綜平均法用於揚塵湍的測量誤差與測量次數的關系進行了探討。
  5. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲低密度風洞中,利用紅外熱圖技術獲得了半球圓、尖錐、大鈍頭三個模型表面熱分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  6. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓體力學理論和數理方法,結合抽油泵塞運動特點,假設液體為不可壓縮的,液體在縫隙中動的水力半徑很小,呈層動,塞在每一位置的瞬間,動做定常處理,建立了泵筒與塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱度和塞與泵筒偏心配合時的縫隙高度,並給出縫隙量的解析解。
  7. By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted

    試驗中通過改變(通過離子交換) 、進水中重金屬離子( hg2 + )的濃度以及向原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。
  8. Abstract : in this paper, the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments, and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method. the results acquired in the simulation are in good agreement with those obtained in the experiments

    文摘:本文利用有實驗根據的變形動模式建立動可容度場,利用上限法模擬用實心坯料精鍛直齒圓齒輪時坯料的外形尺寸變化和力?行程曲線,所得結果與實驗測定值很一致,可供沖擠精鍛工藝設計參考。
  9. Since the new china was established, it has set up a complete system of industry and commerce throughout more then 40 years " development. especially after our country beginning reform and open policy, it has made much progress in its economy. now, xiamen has become a beautiful modern city, which has market economic system, good development in public construction, electron, machinery, chemical, instrument, textile, building material, financial and communication service

    新中國建立以後,經過五十幾年的建設,廈門市已建立起了較為完備的工商業體系,尤其是改革開放以來,其經濟更是有了飛的發展,已基本建立起了一座以港口為龍頭、高新技術為先導、以電子、機械、化工、儀器紡織、建材為支的且商業、旅遊、金融、電信等配套設施完備、市場經濟較為成熟、經濟交活躍、人民生活比較富裕的新興城市。
  10. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制為例,分析了電化學抑制的抑制過程得出影響抑制容量的主要因素主要是抑制的電效率和離子交換膜的極限電密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電效率,在通常情況下電效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電的目的從而提高抑制的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制,該抑制最高可將為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。
  11. Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances

    理論分析表明:軸承接觸表面粗糙紋理方向、粗糙度幅值及其粗糙度波長對高滾子軸承的彈特性具有顯著的影響;合理選擇軸承接觸表面粗糙度幅值、波長及紋理方向,可以有效改善高滾子軸承的彈特性。
  12. Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system

    各品種項下規定的條件除固定相種類、動相組成、檢測器類型不得任意改變外,其餘如色譜內徑、長度、固定相牌號、載體粒度、動相、混合動相各組成的比例、溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。
  13. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向塞泵馬達的量壓力脈動對電梯轎廂度的影響和蓄能器內油液體積損失機理進行了理論研究。
  14. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋為模擬對象,從以度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法對坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。
  15. Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2

    我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向度場,激發溫度場,視向上處于第二能態的氫原子密度場以及湍度場。
  16. Research on water hammer with gas in pressure conduit system through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done

    3 、輸水管道系統中含氣水錘研究通過物理試驗,對有壓輸水管道系統中的氣體釋放與液分離進行了研究,觀察其態、測試液分離發生的條件及斷彌合水錘壓力,研究了含氣量、等參數對液分離的影響。
  17. The railway system plays a leading role in traffic and transportation system and its transportation capacity has been improved from time to time, and the hump facilities have developed quickly in the railway marshaling stations too. the transformation and escalation project of the hump is frequent, so the transportation capacity of the " spots " has been improved greatly and adapted to the continued growth of traffic

    做為交通運輸支行業的鐵路的運輸能力也不斷提高,鐵路編組站駝峰設備也得到迅發展,駝峰改造和升級工程頻繁,極大地提高了鐵路的「點」上能力,適應了車不斷增大的需要。
  18. Numerical simulation of velocity field of flow around square cylinder

    繞方柱流速度場的數值模擬
  19. With ni2 + - lda - sepharose, the cbd tag was removed. according to the results of sds - page and western blot analysis, the product of outflow was the target protein lt a 27. the purity of lt a 27 was about 95 %

    運用niz +金屬鰲合親和層析進一步快純化去除融合頭,上樣出經sds一隊ge分析和western印跡分析ii1 :明得到的純化產物為淋巴毒素缺失體蛋白lt凸27 , lt 2 :產物純度可達95 %以上。
  20. In order to separate the l - lactic acid and lactic acetate, the adsorption chromatography was utilized besides the extraction with ethyl ether. the operation conditions for resin a was initial 15 % lactic acid, ph 6. 5, temperature 30, flow velocity 2. 28 ml / min taking the condition of optimal enzymatic reaction, the amount of adsorption and natural hydrolyzation of lactic acetate into account

    綜合考慮酯酶的最適反應條件、樹脂吸附量和乳酸乙酯的自發水解情況,確定酶解底物乳酸乙酯濃度為15 ,上條件為; ph值為6 . 5 ,溫度為30 ,為2 . 28ml min 。
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